No person shall use the designation landscape architect in Missouri as defined in section 327.600 unless and until the division has issued to him a certificate of registration certifying that he has been duly registered as a landscape architect in Missouri, and unless such registration has been renewed as provided in section 327.621; provided, however, that nothing in sections 327.600 to 327.635 shall be construed as authorizing a landscape architect to engage in the practice of architecture, engineering, land surveying or to affect or prevent the practice of architecture by an architect licensed under the laws of this state, or to affect or prevent the practice of engineering by a professional engineer licensed under the laws of this state, or to affect or prevent the practice of land surveying by a land surveyor licensed under the laws of this state; or to apply to any person licensed as an architect, professional engineer or land surveyor in this state except that no person shall use the designation landscape architect, landscape architectural or landscape architecture or L.A. unless registered under the provisions of sections 327.600 to 327.635.

(L. 1989 H.B. 190, et al. § 14)